19278960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{80329}}^1$

素因数の和:80345

約数の個数: 40

約数和(自身を含む): 59765520

約数和(自身を除く): 40486560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 80329, 160658, 240987, 321316, 401645, 481974, 642632, 803290, 963948, 1204935, 1285264, 1606580, 1927896, 2409870, 3213160, 3855792, 4819740, 6426320, 9639480, 19278960]

約数ペア:

[(1, 19278960), (2, 9639480), (3, 6426320), (4, 4819740), (5, 3855792), (6, 3213160), (8, 2409870), (10, 1927896), (12, 1606580), (15, 1285264), (16, 1204935), (20, 963948), (24, 803290), (30, 642632), (40, 481974), (48, 401645), (60, 321316), (80, 240987), (120, 160658), (240, 80329)]